Allowance for draft and feather edges in the production mould represent careful considerations which are made by the manufacturer. In most instances the these accommodations have no effect on the design but deliver a major effect on the quality of the casting. Your Cast Stone Institute producer member pays a great deal of attention to these details.
Columns are usually manufactured solid. Often, U-shaped column covers are attached to structural steel. This removes the stone columns from the critical construction schedule path and prevents the columns from damage during construction.
Anchorage of columns and column covers is accomplished with dowel pins connection unites together, combined with standard anchors for tying back to the structure.
Vertical jointing of column covers can be made straight down each side or staggered from side to side.